diff --git a/chrome/multi-row_tabs.css b/chrome/multi-row_tabs.css
index 7722d17..b226355 100644
--- a/chrome/multi-row_tabs.css
+++ b/chrome/multi-row_tabs.css
@@ -60,7 +60,7 @@ See the above repository for updates as well as full license text. */
 
 .tabbrowser-tab[fadein]:not([pinned]){
   min-width: var(--multirow-tab-min-width) !important;
-  flex-grow: var(--multirow-tab-dynamic-width);
+  flex-grow: var(--multirow-tab-dynamic-width) !important;
   /*
   Uncomment to enable full-width tabs, also makes tab dragging a tiny bit more sensible
   Don't set to none or you'll see errors in console when closing tabs
diff --git a/chrome/multi-row_tabs_below_content.css b/chrome/multi-row_tabs_below_content.css
index d39495b..99f59e7 100644
--- a/chrome/multi-row_tabs_below_content.css
+++ b/chrome/multi-row_tabs_below_content.css
@@ -205,7 +205,7 @@ See the above repository for updates as well as full license text. */
 
   .tabbrowser-tab[fadein]:not([pinned]){
     min-width: var(--multirow-tab-min-width) !important;
-    flex-grow: var(--multirow-tab-dynamic-width);
+    flex-grow: var(--multirow-tab-dynamic-width) !important;
     /*
     Uncomment to enable full-width tabs, also makes tab dragging a tiny bit more sensible
     Don't set to none or you'll see errors in console when closing tabs